Ground: Hardcourt outdoor
| ITF M15 Anseong | 2024/06/12 01:00 | Kenta Miyoshi v Jangjun Kim | 6-3,4-6,7-5 |
| ITF M15 Kashiwa | 2024/04/04 05:05 | Yu Hsiou Hsu v Jangjun Kim | 6-3,6-2 |
| ITF M15 Kashiwa | 2024/04/02 04:50 | Jangjun Kim v Hoyoung Roh | 6-4,4-6,7-6 |
| ITF M15 Tsukuba | 2024/03/27 06:35 | Jangjun Kim v Ryotaro Taguchi | 2-6,0-6 |
| ITF M25 Anseong | 2023/06/22 05:10 | Taisei Ichikawa v Jangjun Kim | 6-4,6-1 |
| ITF M25 Anseong | 2023/06/21 05:30 | Jangjun Kim v Young Seok Kim | 6-3,4-6,7-6 |
| ITF M25 Changwon | 2023/06/15 01:55 | Jangjun Kim v Jeamoon Lee | 0-6,1-6 |
| ITF M25 Changwon | 2023/06/14 01:00 | Junhyun Lee v Jangjun Kim | 6-7,6-7 |
| ITF M15 Luan | 2025/04/09 03:30 | Colin Sinclair v Suk Hyun Choo | 6-3,6-4 |
| ITF M15 Nonthaburi | 2025/03/24 04:30 | Uisung Park v Suk Hyun Choo | 6-3,6-1 |
| ITF M15 Nonthaburi Qual | 2025/03/23 06:00 | Suk Hyun Choo v Yunseok Jang | 6-0,6-3 |
| ITF M15 Nonthaburi | 2025/03/09 08:00 | Suk Hyun Choo v Daniil Sarksian | 4-6,6-3,0-1 |
| ITF M25 Nakhon Si Thammarat | 2024/08/25 07:45 | Loic N Tenguere v Suk Hyun Choo | 6-3,3-6,11-9 |
| ITF M15 Nakhon Si Thammarat | 2024/08/22 07:30 | Kasidit Samrej v Suk Hyun Choo | 6-3,6-4 |
| ITF M15 Nakhon Si Thammarat | 2024/08/21 06:20 | Weitao Xu v Suk Hyun Choo | 6-3,6-7,0-6 |
| ITF M15 Nakhon Si Thammarat | 2024/08/19 03:35 | Suk Hyun Choo v Teerapat Khantiweerawat | 6-1,6-4 |